// 5. Verify heartbeat fails after unregistration
        assertFalse(mockService.processHeartbeat(regId, 4));
    }

    /**
     * Test error conditions and edge cases
     */
    @Test
    void testErrorConditions() {
        // Test operations on empty service
        assertEquals(0, mockService.getRegistrationCount());

In most cases you would (and should) have a "termination proxy" handling HTTPS for you on top, this will depend on how you deploy your application, your provider might do this for you, or you might need to set it up yourself.

/// tip

        assertEquals(messageCode, exception.getMessageCode());
    }

    @Test
    public void test_multipleExceptionTypes() {
        // Setup - test with different types of causes
        final String message = "Query processing error";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

  class Counter extends CheckedRunnable {
    final AtomicDoubleArray aa;
    volatile long counts;

    Counter(AtomicDoubleArray a) {
      aa = a;
    }

    @SuppressWarnings("DoubleAtLeastJUnit") // causes timeouts under Android
    @Override
    public void realRun() {
      for (; ; ) {
        boolean done = true;
        for (int i = 0; i < aa.length(); i++) {
          double v = aa.get(i);

                .newSession(session));

        legacySupport.setSession(session);
    }

    protected abstract String component();

    /**
     * Return an existing file, not a directory - causes creation to fail.
     *
     * @throws Exception
     */
    protected ArtifactRepository badLocalRepository() throws Exception {

   * can't be constructed at all.)
   *
   * <p>Note that certain discrete ranges such as the integer range {@code (3..4)} are <b>not</b>
   * considered empty, even though they contain no actual values. In these cases, it may be helpful
   * to preprocess ranges with {@link #canonical(DiscreteDomain)}.
   */
  public boolean isEmpty() {
    return lowerBound.equals(upperBound);
  }

  /**

      int expectedSize) {
    return new CompactLinkedHashSet<>(expectedSize);
  }

  private static final int ENDPOINT = -2;

  // TODO(user): predecessors and successors should be collocated (reducing cache misses).
  // Might also explore collocating all of [hash, next, predecessor, successor] fields of an
  // entry in a *single* long[], though that reduces the maximum size of the set by a factor of 2

  /**

      int expectedSize) {
    return new CompactLinkedHashSet<>(expectedSize);
  }

  private static final int ENDPOINT = -2;

  // TODO(user): predecessors and successors should be collocated (reducing cache misses).
  // Might also explore collocating all of [hash, next, predecessor, successor] fields of an
  // entry in a *single* long[], though that reduces the maximum size of the set by a factor of 2

  /**

    /**
     * Validates the preauth integrity for completed negotiation.
     *
     * @param sessionId the session identifier
     * @param expectedHash the expected final hash
     * @return true if validation passes
     * @throws CIFSException if validation fails
     */
    public boolean validatePreauthIntegrity(String sessionId, byte[] expectedHash) throws CIFSException {

        assertDoesNotThrow(() -> {
            new MsrpcLookupSids(null, testSids);
        });
    }

    @Test
    void constructor_shouldThrowExceptionWithNullSids() {
        // Act & Assert - Null SID array causes NPE when accessing length
        assertThrows(NullPointerException.class, () -> {
            new MsrpcLookupSids(mockPolicyHandle, null);
        });
    }

    @Test